Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 12:20:29 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 12:20:29 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 74 Guests are viewing this board. | ||||
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16 Replies
4160 Views |
March 24, 2024, 09:49:18 pmby glass54 |
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11 Replies
4731 Views |
March 24, 2024, 02:52:02 pm by PRR |
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25 Replies
5596 Views |
March 24, 2024, 09:12:43 am by wsscott |
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JCM 2000 TSL100 issue
Started by Colas LeGrippa |
8 Replies
2610 Views |
March 24, 2024, 07:38:28 am by Latole |
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grounding question
Started by Beezerboy |
5 Replies
2212 Views |
March 24, 2024, 01:05:10 am by Beezerboy |
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US transformer in a UK amp
Started by BadDave |
2 Replies
1686 Views |
March 23, 2024, 10:45:32 pm by PRR |
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Dual Cathode Resistors
Started by clyde |
19 Replies
3883 Views |
March 23, 2024, 03:59:51 am by kagliostro |
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22 Replies
4816 Views |
March 23, 2024, 02:53:42 am by Jerry garrcia |
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Checking frequency with MM
Started by dude |
6 Replies
2119 Views |
March 22, 2024, 09:49:58 pm by passaloutre |
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13 Replies
4109 Views |
March 22, 2024, 11:38:44 am by tubeswell |
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Identify hifi output transformer taps
Started by atmars |
3 Replies
1919 Views |
March 21, 2024, 10:53:21 pm by atmars |
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0 Replies
1372 Views |
March 21, 2024, 11:41:05 am by markmalin |
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Existing chassis holes?
Started by passaloutre |
13 Replies
3072 Views |
March 21, 2024, 08:19:12 am by kagliostro |
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Circuit Analysis
Started by Nathan |
5 Replies
2488 Views |
March 20, 2024, 07:41:13 am by Nathan |
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Pull down resistor question
Started by g-man |
4 Replies
2038 Views |
March 19, 2024, 11:18:15 pm by stratomaster |
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What parts determine tone?
Started by pbman1953 |
38 Replies
7295 Views |
March 19, 2024, 06:38:13 pm by pbman1953 |
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3 Replies
2340 Views |
March 19, 2024, 03:48:37 pm by stratomaster |
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Risson Marvel 12E bias setting cold
Started by Pavedog |
42 Replies
7746 Views |
March 19, 2024, 01:00:48 pm by johnnyreece |
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Matamp GT120 clone build
Started by hiegdk |
5 Replies
4485 Views |
March 19, 2024, 09:00:21 am by MadAsAHatter |
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Add Vu meter to pre-amp
Started by BrainDeadAmps |
0 Replies
1368 Views |
March 19, 2024, 01:15:41 am by BrainDeadAmps |
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29 Replies
9585 Views |
March 18, 2024, 07:06:29 pm by wsscott |
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MOVED: ADA MP1 schematic question
Started by sluckey |
0 Replies
1399 Views |
March 18, 2024, 03:22:34 pm by sluckey |
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Hoffman Princeton build in a PRRI Chassis
Started by Jrusto |
5 Replies
2079 Views |
March 18, 2024, 11:59:17 am by sluckey |
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5 Replies
2095 Views |
March 18, 2024, 11:58:10 am by Miyagi_83 |
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6 Replies
2223 Views |
March 17, 2024, 07:25:31 pm by HotBluePlates |
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26 Replies
7110 Views |
March 16, 2024, 11:22:29 pm by murrayatuptown |
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Another Mystery Transformer Query, sorry...
Started by tdvt |
6 Replies
2263 Views |
March 16, 2024, 09:03:48 pm by tdvt |
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Step down PT test
Started by AlNewman |
18 Replies
4234 Views |
March 16, 2024, 06:13:56 pm by AlNewman |
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5 Replies
2782 Views |
March 15, 2024, 12:11:34 am by passaloutre |
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6 Replies
2249 Views |
March 14, 2024, 07:29:24 pm by Lambertini |
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0 Replies
1726 Views |
March 14, 2024, 05:22:34 pm by spunko |
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7 Replies
2606 Views |
March 14, 2024, 09:44:52 am by daveneary |
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Ampro PA-3 head
Started by CrocMule |
16 Replies
4147 Views |
March 13, 2024, 10:08:08 pm by PRR |
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27 Replies
4920 Views |
March 13, 2024, 08:48:24 am by tdvt |
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31 Replies
6181 Views |
March 13, 2024, 12:28:55 am by tinkering |
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5 Replies
2095 Views |
March 12, 2024, 05:49:12 pm by PRR |
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0 Replies
1355 Views |
March 12, 2024, 05:04:28 pm by kagliostro |
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18 Replies
3511 Views |
March 12, 2024, 08:49:58 am by passaloutre |
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6 Replies
2665 Views |
March 12, 2024, 12:07:33 am by spunko |
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5 Replies
2273 Views |
March 11, 2024, 09:05:15 pm by AlNewman |
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6G15 + Tremodrive
Started by J3ona1 |
2 Replies
1622 Views |
March 11, 2024, 02:41:09 pm by J3ona1 |
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Trem-O-Nator Vactrol?
Started by tdvt |
3 Replies
1731 Views |
March 11, 2024, 12:56:02 pm by sluckey |
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Suitable Shoulder Washer & Flat Washer
Started by Pollys13a |
10 Replies
3178 Views |
March 11, 2024, 08:21:25 am by EL34 |
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New amp D-763
Started by tubenit |
9 Replies
2962 Views |
March 10, 2024, 04:10:06 pm by Platefire |
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16 Replies
3611 Views |
March 10, 2024, 01:32:02 pm by Pollys13a |
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Sluckey’s M-2 Magnatone
Started by Jhj |
13 Replies
3372 Views |
March 09, 2024, 10:03:04 pm by Jhj |
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Odd question about heater wires...
Started by AmberB |
3 Replies
1861 Views |
March 09, 2024, 09:05:39 pm by glass54 |
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18 Replies
4105 Views |
March 09, 2024, 09:57:32 am by acheld |
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10 Replies
3890 Views |
March 08, 2024, 03:50:43 pm by GuitarPilot65 |
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Issue on one channel, global effect?
Started by tdvt |
2 Replies
1645 Views |
March 08, 2024, 08:52:43 am by tdvt |
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